柳樹的用材
柳樹材質輕,易切削,幹燥後不變形,無特殊氣味,可供建築、坑木、箱板和火柴梗等用材;木材纖維含量高,是造紙和人造棉原料;柳木、柳枝是很好的薪炭材;許多種柳條可編筐、箱、帽等;柳葉可作羊、馬等的飼料;蜜源植物;為優美的觀賞樹種,如西湖的“柳浪聞鶯”等。

柳樹為落葉喬木或灌木,稀匍伏小灌木。單葉,披針形或卵狀披針形,葉緣有鋸齒,葉柄短、具托葉。花單性,雌雄異株。蒴果2裂lie,種zhong子zi小xiao,有you毛mao。喜xi光guang。耐nai水shui能neng力li強qiang,在zai遭zao受shou水shui淹yan時shi能neng生sheng出chu許xu多duo不bu定ding根gen漂piao浮fu水shui中zhong,行xing使shi吸xi收shou和he運yun輸shu養yang分fen的de機ji能neng。旱han柳liu對dui氣qi候hou和he土tu壤rang的de適shi應ying性xing均jun很hen強qiang。柳liu樹shu生sheng長chang快kuai,萌meng芽ya力li強qiang,壽shou命ming短duan,10~20年即可成材。

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